| 摘要 |
The modular construction elements are formed of flexible airtight material of common cross-sectional diameter and varied tubular lengths sealed to provide an inflatable chamber. Each chamber is adapted with an air valve for inflation or deflation. The varied tubular lengths, when deflated, may be rolled or folded for storage or transport, and may be orally or mechanically inflated to provide lightweight, flexible modular construction elements suitable for erection of a variety of structural shapes suitable for a child to enter and play within. Associated modular construction elements may be lashed in place, secured with flexible expanding bands, or with grommets and flexible fasteners. When the structure is erected outdoors, the modular construction elements may be pegged to the ground. Doors, windows and roof sections may be added to complete the structure.
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